... reverse-cycle air conditioning designed for marine use.This series of OC-Z Unit utilize a rotary compressor, which offers ... separator, return air filter, cables etc. Characteristic:3,500-36,000BTU/H220V/50HZ,380V/50HZ optionalUsing scroll compressor, high efficiencyHidden ... convenient locationsHigh efficiency, low-noise blower, and scroll compressor, greatly reduce the noise and improve the comfort of ...